package thread_01;

public class Demo09 {
    private static boolean isRunning = true;
    public static void main(String[] args) {
        Thread t = new Thread(() -> {
            while(isRunning){
                System.out.println("hello thread");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
            System.out.println("t线程结束");
        });

        t.start();

        try {
            Thread.sleep(3000);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }


//        3秒后，主线程修改isRunning的值，从而通知t结束
        System.out.println("控制t线程结束");
        isRunning = false;
    }


}
